gcc/testsuite/gcc.dg/vect/pr62021.c

   1 /* { dg-require-effective-target vect_simd_clones } */
   2 /* { dg-additional-options "-fopenmp-simd" } */
   3 /* { dg-additional-options "-mavx" { target avx_runtime } } */
   4
   5 #include "tree-vect.h"
   6
   7 #pragma omp declare simd linear(y)
   8 __attribute__((noinline)) int *
   9 foo (int *x, int y)
  10 {
  11   return x + y;
  12 }
  13
  14 int a[1024];
  15 int *b[1024] = { &a[0] };
  16
  17 int
  18 main ()
  19 {
  20   int i;
  21   check_vect ();
  22   for (i = 0; i < 1024; i++)
  23     b[i] = &a[1023 - i];
  24   #pragma omp simd
  25   for (i = 0; i < 1024; i++)
  26     b[i] = foo (b[i], i);
  27   for (i = 0; i < 1024; i++)
  28     if (b[i] != &a[1023])
  29       __builtin_abort ();
  30   return 0;
  31 }
  32